diff --git a/app/logical/upload_service/replacer.rb b/app/logical/upload_service/replacer.rb
index 165f3c94a..32736d4b1 100644
--- a/app/logical/upload_service/replacer.rb
+++ b/app/logical/upload_service/replacer.rb
@@ -120,7 +120,7 @@ class UploadService
       update_ugoira_frame_data(post, upload)
 
       if md5_changed
-        Comment.create!(post: post, creator: User.system, body: comment_replacement_message(post, replacement), do_not_bump_post: true, creator_ip_addr: "127.0.0.1")
+        Comment.create!(post: post, creator: User.system, updater: User.system, body: comment_replacement_message(post, replacement), do_not_bump_post: true, creator_ip_addr: "127.0.0.1")
       else
         purge_cached_urls(post)
       end